School Numbers
Menu
Find schools Counties Irish-medium Special schools About the data

Find schools

Within
Filtered by Co. Monaghan Gained a class teacher Clear all

5 schools in Co. Monaghan · 2025/26

pupils
994
junior infants
118
in all-Irish schools
0
class teachers · 5 gained one · 0 lost one since 2024/25
39 +7 since 2015/16
together since 2015/16

The 5 schools with figures for both years had 847 pupils in 2015/16 and have 994 now. Schools that have closed, and newer schools, aren’t counted.

+17.4%
Over 10 years

2 grew · 3 steady · 0 fell

Filters

Clear all
Boys, girls or mixed
School type
Ethos
Teaching language
Number of pupils
Change in pupils over 10 years
Average class size
Class teachers
Class teachers since 2024/25
DEIS and islands
  1. Scoil Naomh Deagha Dundalk
    286 +34.9%
  2. Scoil Éanna BallybayDEIS
    228 −3.8%
  3. Monaghan Model School MonaghanChurch of Ireland
    199 +45.3%
  4. Threemilehouse N S Threemilehouse
    141 +7.6%
  5. St Patricks NS Castleblayney
    140 +7.7%
School Pupils Since 2015/16 Average class Class teacherschange on 2024/25 Junior infants
Scoil Naomh Deagha Dundalk, Co. Monaghan · Roll 19251G 286
+34.9%
26.0 +110 33
Scoil Éanna Ballybay, Co. Monaghan · Roll 20174V DEIS 228
−3.8%
25.3 +19 25
Monaghan Model School Monaghan · Roll 07751K Church of Ireland 199
+45.3%
24.9 +18 21
Threemilehouse N S Threemilehouse, Co. Monaghan · Roll 19162H 141
+7.6%
20.5 +16 21
St Patricks NS Castleblayney, Co. Monaghan · Roll 17735S 140
+7.7%
23.3 +16 18
Showing 5 of 5

Distances are straight lines, not travel routes. Pupil numbers and class sizes: Department of Education, 2025/26. Change is over 10 years, since 2015/16. Average class size counts mainstream classes only, and there's one class teacher for each mainstream class. Totals cover every school in the results, not just those shown.